FR2598661A1 - Device for articulating a vehicle seat backrest - Google Patents

Device for articulating a vehicle seat backrest Download PDF

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Publication number
FR2598661A1
FR2598661A1 FR8606824A FR8606824A FR2598661A1 FR 2598661 A1 FR2598661 A1 FR 2598661A1 FR 8606824 A FR8606824 A FR 8606824A FR 8606824 A FR8606824 A FR 8606824A FR 2598661 A1 FR2598661 A1 FR 2598661A1
Authority
FR
France
Prior art keywords
backrest
fork
axis
articulation
articulated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8606824A
Other languages
French (fr)
Other versions
FR2598661B1 (en
Inventor
Philippe Ponceau
Armand Lagorgette
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renault SAS
Regie Nationale des Usines Renault
Original Assignee
Renault SAS
Regie Nationale des Usines Renault
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Renault SAS, Regie Nationale des Usines Renault filed Critical Renault SAS
Priority to FR8606824A priority Critical patent/FR2598661B1/en
Publication of FR2598661A1 publication Critical patent/FR2598661A1/en
Application granted granted Critical
Publication of FR2598661B1 publication Critical patent/FR2598661B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/20—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Seats For Vehicles (AREA)

Abstract

Device for articulating a vehicle seat tilting backrest which makes it possible to obtain either a substantially vertical final use position, or a horizontal storage position and which consists of an articulated element 11 rigidly connected to the base of the backrest and a guidance element 20 rigidly connected to a wall 21 of the vehicle, characterised in that the guidance element 20 consists of a set of two parallel pins 22, 23 arranged transversely to the median plane of the backrest at two different levels, the lower pin 22 of which is straddled by two teeth 13a, 13b of a fork 12 made up of the articulated element 11 one tooth of which 13a extends between the said pins 22, 23.

Description

DISPOSITIF D' ARTICULATION D' UN DOSSIER BASCULANT DE SIEGE DE
VEHICULE
L'invention concerne un dispositif d' articulation d'un dossier basculant de siège de véhicule qui perrnet d' obtenir soit une position finale d' utilisation sensiblement verticale soit une position horizontale de rangement, et qui est constitué par un élément articulé rigidement relié à la base du dossier et un élément de guidage rigidement relié à une paroi du véhicule.DEVICE FOR ARTICULATING A TILTING BACK OF A SEAT
VEHICLE
The invention relates to a device for articulation of a tilting backrest of a vehicle seat which makes it possible to obtain either a substantially vertical end position for use or a horizontal storage position, and which consists of an articulated element rigidly connected to the base of the backrest and a guide element rigidly connected to a wall of the vehicle.

On connaît par la publication FR-A-I 152 761 une telle articulation dans laquelle 1' élément articulé porte deux axes engagés dans une rainure de guidage portée par la paroi du véhicule et ces axes matérialisent successivement 1' axe de rotation du dossier en fonction du sens de manoeuvre communiqué à ce dernier.We know from the publication FR-AI 152 761 such an articulation in which the articulated element carries two axes engaged in a guide groove carried by the wall of the vehicle and these axes successively materialize the axis of rotation of the backrest as a function of the direction of maneuver communicated to the latter.

La publication BE-A-O 004 484 décrit une articulation dont 1' axe est porté par une chape solidaire du plancher du véhicule.The publication BE-A-O 004 484 describes a joint the axis of which is carried by a yoke secured to the floor of the vehicle.

Les articulations de ce type ne permettent pas aisément le montage et le démontage du dossier lorsque 1' un des éléments de 1' articulation demeure rigidement fixé sur le véhicule du fait que le montage exige souvent l'immobilisation préalable du sommet du dossier.The joints of this type do not easily allow the mounting and dismounting of the backrest when one of the elements of the joint remains rigidly fixed on the vehicle because mounting often requires the immobilization of the top of the backrest.

L'invention a pour obiet de remédier à cet inconvénient dans le but de favoriser le montage ou le démontage du dossier sans immobilisation préalable du sommet de dossier, le montage du dossier pouvant être aisément automatisé.The object of the invention is to remedy this drawback with the aim of promoting the mounting or dismounting of the backrest without prior immobilization of the back of the backrest, the mounting of the backrest can be easily automated.

L' invention a également pour obiet un dispositif d'articulation à autoverrouillage de 1' axe d' articulation pouvant être mis en oeuvre par un opérateur unique. The invention also relates to a self-locking articulation device of the articulation axis which can be implemented by a single operator.

Selon 1' invention, I'élément de guidage est constitué par un ensemble de deux axes disposés transversalement à deux niveaux différents, dont l'axe inférieur est chevauché par deux dents d' une fourchette constituée par
I' élément articulé, dont 1' une s' étend entre lesdits axes. Le corps de la fourchette peut comporter accessoirement une fente de réception de 1 axe supérieur qui est orientée suivant le sens de basculement du dossier dans le but d' éviter le soulèvement non désiré du dossier.According to the invention, the guide element consists of a set of two axes arranged transversely at two different levels, the lower axis of which is overlapped by two teeth of a fork constituted by
I articulated element, one of which extends between said axes. The body of the fork may incidentally include a reception slot of 1 upper axis which is oriented in the direction of tilting of the backrest in order to avoid unwanted lifting of the backrest.

Le dispositif ainsi réalisé peut être facilement mis en oeuvre par suite du guidage de 1' élément articulé porté par la base du dossier et du verrouillage de ce dernier au cours du mouvement de basculement du dossier vers sa position d' utilisation.The device thus produced can be easily implemented as a result of the guidance of the articulated element carried by the base of the backrest and the locking of the latter during the tilting movement of the backrest towards its position of use.

D' autres particularités et avantages de l'invention ressortiront de la description d' un mode de réalisation du dispositif d' articulation faite en référence du dessin annexé dans lequel - la figure 1 est une représentation en perspective éclatée de
1' articulation.Other features and advantages of the invention will emerge from the description of an embodiment of the articulation device made with reference to the appended drawing in which - Figure 1 is an exploded perspective representation of
1 articulation.

- la figure 2 est une vue en coupe longitudinale de l'articulation.- Figure 2 is a longitudinal sectional view of the joint.

- les figures 3 et 4 représentent les phases successives du montage de
I'articulation.- Figures 3 and 4 show the successive phases of the assembly of
The joint.

- les figures 5 et 6 représentent 1' articulation en position d'utilisation et
en position rabattue du dossier.FIGS. 5 and 6 represent the articulation in the position of use and
in the folded back position.

La figure I représente un côté latéral du dossier 10 dont la base porte un élément articulé 11 rigidement relié à la base d' un montant latéral de
I' armature non représentée. L' élément articulé est constitué par une fourchette 12 à deux dents 13a, 13b dont le corps 14 possède accessoirement une fente 15 ouverte sur le flanc postérieur de la fourchette 12 portant la dent 13a et orientée suivant le sens A de basculement du dossier vers sa position d' utilisation érigée. FIG. I represents a lateral side of the backrest 10, the base of which carries an articulated element 11 rigidly connected to the base of a lateral upright of
The frame not shown. The articulated element consists of a fork 12 with two teeth 13a, 13b, the body 14 of which incidentally has a slot 15 open on the rear flank of the fork 12 carrying the tooth 13a and oriented in the direction A of tilting of the backrest towards its use position erected.

Selon I'exemple représenté la fourchette 12 porte un verrou articulé 16 à crochet 17 monté à rotation autour d'un axe riveté 0 placé entre la fente 15 et le pied des dents 13a, 13b.According to the example shown, the fork 12 carries an articulated lock 16 with a hook 17 mounted for rotation about a riveted axis 0 placed between the slot 15 and the base of the teeth 13a, 13b.

Le verrou 16 qui se prolonge par une queue 18 de manoeuvre, est réalisé dans une plaque de tôle découpée et possède une patte de commande 19 repliée perpendiculairement au plan de la plaque.The lock 16 which is extended by an operating tail 18, is produced in a cut sheet metal plate and has a control tab 19 folded perpendicular to the plane of the plate.

L' élément articulé 11 est monté parallèle à un élément de guidage 20 constitué ici par une plaque de renfort soudée sur la tôle 21 du passage de la roue postérieure.The articulated element 11 is mounted parallel to a guide element 20 here constituted by a reinforcing plate welded to the sheet 21 of the passage of the rear wheel.

L' élément de guidage 20 est essentiellement constitué par deux axes 22, 23 parallèles disposés transversalement au plan médian du dossier à deux niveaux différents. L'axe inférieur 22 est chevauché par les dents 13a, 13b de la fourchette 13 et 1' axe supérieur 23 assure ici la manoeuvre du verrou 16 au contact de la patte de commande 19.The guide element 20 essentially consists of two parallel axes 22, 23 arranged transversely to the median plane of the backrest at two different levels. The lower axis 22 is overlapped by the teeth 13a, 13b of the fork 13 and the upper axis 23 here ensures the operation of the lock 16 in contact with the control tab 19.

Les figures I et 2 représentent un dispositif d' articulation dans lequel le verrou 16 est accolé au flanc extérieur de la fourchette 12 qui de ce fait ne comporte pas de fente de réception de 1' axe supérieur 23.FIGS. I and 2 show an articulation device in which the latch 16 is attached to the outer flank of the fork 12 which therefore does not have a slot for receiving the upper axis 23.

Selon une variante de réalisation non représentée, le verrou 16 peut être accolé au flanc intérieur de la fourchette 12 qui porterait dans ce cas la fente 15 de réception de l'axe supérieur 23.According to a variant embodiment not shown, the latch 16 can be attached to the inner flank of the fork 12 which would in this case carry the slot 15 for receiving the upper axis 23.

La mise en oeuvre du dispositif se refère aux figures 3 et 4. The implementation of the device refers to Figures 3 and 4.

Le dossier est d'abord emboîté sur l'axe inférieur 22 de sorte que la dent 13a soit placée entre les axes 22, 23.The backrest is first fitted onto the lower axis 22 so that the tooth 13a is placed between the axes 22, 23.

On incline ensuite le dossier vers sa position érigée dans le sens de la flèche A. Au cours du déplacement du dossier l'axe supérieur 23 vient en butée sur la patte de commande 19 du verrou 16 et ce dernier tourne autour de son axe 0 en verrouiliant 1' axe inférieur 22 entre les dents 13a, 13b. Il y a lieu de noter que la fourchette portée par le montant latéral opposé de 1' armature ne porte pas nécessairement un crochet tel que 16 si le verrouillage du dossier est lugé suffisant par la mise en oeuvre d' un seuil dispositif d'articulation tel que décrit. The backrest is then inclined towards its erected position in the direction of the arrow A. During the movement of the backrest the upper axis 23 abuts on the control tab 19 of the latch 16 and the latter turns around its axis 0 in locking the lower axis 22 between the teeth 13a, 13b. It should be noted that the fork carried by the opposite lateral upright of the frame does not necessarily carry a hook such as 16 if the locking of the backrest is lugged sufficient by the implementation of a threshold articulation device such as described.

Claims (4)

REVENDICATIONS 1. Dispositif d' articulation d' un dossier basculant de siège de véhicule qui permet d' obtenir soit une position finale d' utilisation sensiblement verticale, soit une position horizontale de rangement et qui est constitué par un élément (it) articulé rigidement relié à la base du dossier et un élément (20) de guidage rigidement relié à une paroi (21) du véhicule, caractérisé par le fait que 1' élément (20) de guidage est constitué par un ensemble de deux axes (22, 23) parallèles disposés transversalement au plan médian du dossier à deux niveaux différents, dont l'axe (22) inférieur est chevauché par deux dents (13a, 13b) d'une fourchette (12) constituée par l'élément articulé (11) dont une dent (13a) s'étend entre lesdits axes (22, 23). 1. Device for articulation of a tilting backrest of a vehicle seat which makes it possible to obtain either a substantially vertical end position for use, or a horizontal storage position and which is constituted by an articulated element (it) rigidly connected to the base of the backrest and a guide element (20) rigidly connected to a wall (21) of the vehicle, characterized in that the guide element (20) consists of a set of two parallel axes (22, 23) arranged transversely to the median plane of the backrest at two different levels, the lower axis (22) of which is overlapped by two teeth (13a, 13b) of a fork (12) formed by the articulated element (11) including a tooth ( 13a) extends between said axes (22, 23). 2. Dispositif d'articulation selon la revendication 1, caractérisé par le fait que le corps (14) de la fourchette (12) porte une fente (15) de réception de 1' axe (23) supérieur, qui est orientée suivant le sens A de basculement du dossier vers sa position érigée.2. Articulation device according to claim 1, characterized in that the body (14) of the fork (12) carries a slot (15) for receiving the upper axis (23), which is oriented in the direction A tilting the backrest to its erected position. 3 Dispositif d' articulation selon la revendication 1 ou 2, caractérisé par le fait que la fourchette (12) porte un verrou (16) à crochet (17), articulé au voisinage du pied des dents (13a, 13b) de la fourchette (12), dont le crochet (17) coiffe l'axe (22) inférieur et se prolonge par une queue de manoeuvre (18) placée sur le traiet de l'axe (23) supérieur. 3 Articulation device according to claim 1 or 2, characterized in that the fork (12) carries a latch (16) with hook (17), articulated in the vicinity of the base of the teeth (13a, 13b) of the fork ( 12), the hook (17) of which covers the lower axis (22) and is extended by an operating tail (18) placed on the rail of the upper axis (23). 4. Dispositif d' articulation selon 1' une quelconque des revendications 1 à 3, caractérisé par le fait que le verrou (16) est réalisé dans une plaque de tôle découpée qui possède une patte (19) de commande pliée perpendiculairement au plan de la plaque et disposée parallèlement à4. A hinge device according to any one of claims 1 to 3, characterized in that the latch (16) is made from a cut sheet metal plate which has a control tab (19) folded perpendicular to the plane of the plate and arranged parallel to I' axe (23) supérieur. The upper axis (23).
FR8606824A 1986-05-13 1986-05-13 DEVICE FOR JOINING A VEHICLE SEAT BACK Expired - Fee Related FR2598661B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8606824A FR2598661B1 (en) 1986-05-13 1986-05-13 DEVICE FOR JOINING A VEHICLE SEAT BACK

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8606824A FR2598661B1 (en) 1986-05-13 1986-05-13 DEVICE FOR JOINING A VEHICLE SEAT BACK

Publications (2)

Publication Number Publication Date
FR2598661A1 true FR2598661A1 (en) 1987-11-20
FR2598661B1 FR2598661B1 (en) 1991-04-05

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ID=9335155

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8606824A Expired - Fee Related FR2598661B1 (en) 1986-05-13 1986-05-13 DEVICE FOR JOINING A VEHICLE SEAT BACK

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FR (1) FR2598661B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2630687A1 (en) * 1988-04-29 1989-11-03 Renault Method for mounting a folding seat or bench seat in a vehicle, and associated seat
FR2663889A1 (en) * 1990-06-28 1992-01-03 Peugeot Articulation device for a removable backrest for a vehicle rear seat
FR2762368A1 (en) * 1997-04-18 1998-10-23 Faure Bertrand Equipements Sa Articulation for fold down back of motor vehicle rear seat
DE102010049336A1 (en) * 2010-10-22 2012-04-26 Prevent Twb Gmbh & Co. Kg Backrest for rear seat bench of motor vehicle, has connection element with locking hook pivotably hinged at base element, where hook encloses free end of single-side opened U-shaped retainer and bearing bolt in locked mounting position

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE456218C (en) * 1926-10-22 1928-02-18 Cramer & Moennig Easily detachable connection of an emergency seat to the car body floor of motor vehicles
US3338633A (en) * 1966-05-31 1967-08-29 Chrysler Corp Latching and hinging assembly for folding seat
GB1575797A (en) * 1978-01-27 1980-10-01 American Safety Equip Pawl seat back latch machanism
FR2471162A1 (en) * 1979-12-12 1981-06-19 Renault Retractable rear seat for vehicle - uses pivot-forward squab and fold down back rest connected by tie with elbow joint

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE456218C (en) * 1926-10-22 1928-02-18 Cramer & Moennig Easily detachable connection of an emergency seat to the car body floor of motor vehicles
US3338633A (en) * 1966-05-31 1967-08-29 Chrysler Corp Latching and hinging assembly for folding seat
GB1575797A (en) * 1978-01-27 1980-10-01 American Safety Equip Pawl seat back latch machanism
FR2471162A1 (en) * 1979-12-12 1981-06-19 Renault Retractable rear seat for vehicle - uses pivot-forward squab and fold down back rest connected by tie with elbow joint

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2630687A1 (en) * 1988-04-29 1989-11-03 Renault Method for mounting a folding seat or bench seat in a vehicle, and associated seat
FR2663889A1 (en) * 1990-06-28 1992-01-03 Peugeot Articulation device for a removable backrest for a vehicle rear seat
FR2762368A1 (en) * 1997-04-18 1998-10-23 Faure Bertrand Equipements Sa Articulation for fold down back of motor vehicle rear seat
DE102010049336A1 (en) * 2010-10-22 2012-04-26 Prevent Twb Gmbh & Co. Kg Backrest for rear seat bench of motor vehicle, has connection element with locking hook pivotably hinged at base element, where hook encloses free end of single-side opened U-shaped retainer and bearing bolt in locked mounting position
DE202010017698U1 (en) 2010-10-22 2012-05-29 Prevent Twb Gmbh & Co. Kg Backrest for a vehicle seat
DE102010049336B4 (en) * 2010-10-22 2012-05-31 Prevent Twb Gmbh & Co. Kg Backrest for a vehicle seat

Also Published As

Publication number Publication date
FR2598661B1 (en) 1991-04-05

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